v850.c (v850_use_dfa_pipeline_interface): New.

	* config/v850/v850.c (v850_use_dfa_pipeline_interface): New.
	* config/v850/v850.md: Convert to DFA scheduler description.

From-SVN: r82653

gcc/ChangeLog

+2004-06-05  Steven Bosscher  <stevenb@suse.de>
+
+	* config/v850/v850.c (v850_use_dfa_pipeline_interface): New.
+	* config/v850/v850.md: Convert to DFA scheduler description.
+
 2004-06-05  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
 
 	PR fortran/15478

gcc/config/v850/v850.c

@@ -64,6 +64,7 @@ static void v850_insert_attributes   (tree, tree *);
 static void v850_select_section (tree, int, unsigned HOST_WIDE_INT);
 static void v850_encode_data_area    (tree, rtx);
 static void v850_encode_section_info (tree, rtx, int);
+static int  v850_use_dfa_pipeline_interface (void);
 static bool v850_return_in_memory    (tree, tree);
 static void v850_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode,
 					 tree, int *, int);
@@ -113,9 +114,13 @@ static int v850_interrupt_p = FALSE;
 
 #undef TARGET_RTX_COSTS
 #define TARGET_RTX_COSTS v850_rtx_costs
+
 #undef TARGET_ADDRESS_COST
 #define TARGET_ADDRESS_COST hook_int_rtx_0
 
+#undef TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE
+#define TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE v850_use_dfa_pipeline_interface
+
 #undef TARGET_MACHINE_DEPENDENT_REORG
 #define TARGET_MACHINE_DEPENDENT_REORG v850_reorg
 
@@ -2340,6 +2345,12 @@ v850_encode_section_info (tree decl, rtx rtl, int first)
     v850_encode_data_area (decl, XEXP (rtl, 0));
 }
 
+static int
+v850_use_dfa_pipeline_interface (void)
+{
+  return 1;
+}
+
 /* Return true if the given RTX is a register which can be restored
    by a function epilogue.  */
 int

gcc/config/v850/v850.md

@@ -61,10 +61,16 @@
 ;; Function units for the V850.  As best as I can tell, there's
 ;; a traditional memory load/use stall as well as a stall if
 ;; the result of a multiply is used too early.
-;;
-(define_function_unit "memory" 1 0 (eq_attr "type" "load") 2 0)
-(define_function_unit "mult"   1 0 (eq_attr "type" "mult") 2 0)
 
+(define_insn_reservation "v850_other" 1
+			 (eq_attr "type" "other")
+			 "nothing")
+(define_insn_reservation "v850_mult" 2
+			 (eq_attr "type" "mult")
+			 "nothing")
+(define_insn_reservation "v850_memory" 2
+			 (eq_attr "type" "load")
+			 "nothing")
 
 ;; ----------------------------------------------------------------------
 ;; MOVE INSTRUCTIONS